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Re: [udig-devel] Wmt georesource is not rendered. Why??
Managed to solve this one.Here are my findings:
InternalRenderMetricsFactory.canRender would return delegate.canRender(context). The problem was that delegate was of type RasterRenderMetricsFactory instead of BasicWMTRenderMetricsFactory.
Upon further inspection I found that just checking the net.refractions.udig.catalog.wmt plugin in run configurations->plugins does not require for the ....render.wmt.basic plugin to be included. So if you check the catalog.wmt plugin and then click the “add required plugins” button you will not get to see any wmt layer and you will also not get any error message that may give you the idea that a vital plugin was not included. You'd think that if the catalog.wmt plugin was included the user would want to see some wmt layers onscreen :). Newbies (like me) beware!

Cheers


From: George Schole <georgeschole@xxxxxxxxx>
To: User-friendly Desktop Internet GIS <udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, June 12, 2012 1:47 PM
Subject: [udig-devel] Wmt georesource is not rendered. Why??

Hello all,

I'm encountering a very frustrating problem. I am trying to render a mapnik layer using eclipse 3.7.2 with udig sdk 1.3.1. Using eclipse 3.6.1 with udg sdk 1.2.1 and executing the exact same code the mapnik layer renders correctly .
So map.sendCommandASync(new AddLayersCommand(theres));
w returns different results in what seems to be virtually identical cases; by the way “theres” has the following content ( in both run cases) : [WMTGeoResource(wmt://localhost/wmt/net.refractions.udig.catalog.internal.wmt.wmtsource.OSMMapnikSource#blank)]
Some other observations:
1.

in the non-rendering case the console output is
!MESSAGE Unable to parse version from about.mappings file. Defaulting to a blank string.
log4j:WARN No appenders could be found for logger (org.geotools.factory).
log4j:WARN Please initialize the log4j system properly.
[WMTService.createService] wmt://localhost/wmt/net.refractions.udig.catalog.internal.wmt.wmtsource.OSMMapnikSource
Application Started: 3746
[WMTSource] EPSG:900913 is not in the database, now it is created manually
[WMTService.createService] wmt://localhost/wmt/net.refractions.udig.catalog.internal.wmt.wmtsource.OSMMapnikSource

in the rendering case te console output is something like:
[WMTSource] EPSG:900913 is not in the database, now it is created manually
[WMTService.createService] wmt://localhost/wmt/net.refractions.udig.catalog.internal.wmt.wmtsource.OSMMapnikSource

[BasicWMTRender.render] is called
[BasicWMTRender.render] is called
[BasicWMTRender.render] is called
[BasicWMTRender.render] is called
[BasicWMTRender.render] Scale: 3.572181633149704E8
[BasicWMTRender.render] Scale: 3.572181633149704E8
[BasicWMTRender.render] Scale: 3.572181633149704E8
[BasicWMTRender.render] Scale: 3.572181633149704E8
[OSMTile.getTileFromCoordinate] 18/234940/101706 lon: 142.6415091924573 lat: 37.358490807542694
[OSMTile.getTileFromCoordinate] 18/234940/160437 lon: 142.6415091924573 lat: -37.358490807542694
…
…
[WMTSource.addTileToList] Was not in cache: Mapnik_2_1_0
[OSMTile.getTileFromCoordinate] 2/3/2 lon: 142.6415091924573 lat: -37.358490807542694
[OSMTile.getTileFromCoordinate] 2/0/2 lon: -142.6415091924573 lat: -37.358490807542694
[OSMTile.getTileFromCoordinate] 2/0/1 lon: -142.6415091924573 lat: 37.358490807542694
[WMTSource.cutExtentIntoTiles] Adding right neighbour: Mapnik_2_1_0
…
…
!ENTRY net.refractions.udig.catalog.internal.wmt 4 0 2012-06-11 19:05:19.175
!MESSAGE WMT GetTile: http://tile.openstreetmap.org/2/2/3.png

!ENTRY net.refractions.udig.catalog.internal.wmt 4 0 2012-06-11 19:05:19.176
!MESSAGE WMT GetTile: http://tile.openstreetmap.org/2/0/0.png

Please give me a few tips on how I might solve this problem. I really want to use an osm map in my little project. I would use the older udig sdk but I can't seem to render a postgis layer using the older sdk :)). It works in the new one. I think it has something to do with the fact I have postgis 2.0 installed.
PS @andrea antonello: I see that you have been working on the wmt plugin lately.
Please tell me you encountred these rendering problems. :)
Thanks



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